Contents

Doklady Earth Sciences

Vol. 485, No. 1, 2019

Geology

The Sr–Nd–Pb–Hf Isotopic Composition of Late Paleozoic Granitoids in Central Chukotka

M. V. Luchitskaya, B. V. Belyatsky, E. A. Belousova and L. M. Natapov p. 231  abstract

Early Permian Age of Nepheline Syenites of the Korgere–Daba Massif (Sangilen Highlands, Tuva)

A. V. Nikiforov, E. B. Salnikova, Academician V. V. Yarmolyuk, A. B. Kotov, A. M. Sugorakova and I. V. Anisimova p. 235  abstract

Composition and Origin of Lavas from the Minami-Hiyoshi Submarine Volcano (Mariana Arc)

V. V. Petrova and V. A. Rashidov p. 238  abstract

The Ordovician Gabbro–Tonalite–Trondhjemite Complex and Associated Volcanic Rocks in the Paleozoic Suture between the Urals and Kazakhstan

A. V. Ryazantsev p. 242  abstract

40Ar/39Ar Age of the Burinda Gold–Silver Deposit and Its Relationship to Magmatism (Northeastern Part of the Argun Superterrane)

I. V. Buchko, A. A. Sorokin, V. A. Ponomarchuk and A. V. Travin p. 247  abstract

New Data on Volcanism of the Central Chukotka Segment of the Okhotsk–Chukotka Volcanogenic Belt

A. V. Ganelin, E. V. Vatrushkina and M. V. Luchitskaya p. 252  abstract

Main Features of the Structure, Lithological Composition, and Thickness of the Quaternary Deposits Cover in the Eastern Barents Sea

O. G. Epshtein, A. G. Dlugach and A. V. Starovoytov p. 257  abstract

Geochemistry

Statistical Allocation of the Parageneses of Minor Elements from the Associations in Fossil Coals

L. A. Admakin and S. G. Parada p. 260  abstract

Epitaxial Growth, Morphology, and Temperature Stability of Quartz-Like Germanium Dioxide Crystals

V. S. Balitsky, D. V. Balitsky, Academician D. Yu. Pushcharovsky, L. V. Balitskaya, T. V. Setkova and T. N. Dokina p. 264  abstract

Isotopic Composition of Nd, Pb, and Sr in Modern Bottom Sediments of the Barents Sea

Corresponding Member of the RAS A. V. Maslov, Corresponding Member of the RAS A. B. Kuznetsov, N. V. Politova, N. V. Kozina, A. N. Novigatsky and V. P. Shevchenko p. 268  abstract

Geophysics

A Correlation between Lightning Flash Frequencies and the Statistical Characteristics of Convective Activity in the Atmosphere

A. V. Eliseev, A. N. Ploskov, A. V. Chernokulsky and Academician I. I. Mokhov p. 273  abstract

Geography

Soil Parameters for Quantitative Estimation of Late Holocene Climate Changes in the Southern East European Plain

Corresponding Member of the RAS A. O. Alekseev, P. I. Kalinin, T. V. Alekseeva and G. V. Mitenko p. 279  abstract

Methane Concentration and Emission in Dominant Landscapes of Typical Tundra of Western Yamal

A. A. Vasiliev, Academician V. P. Melnikov, P. B. Semenov, G. E. Oblogov and I. D. Streletskaya p. 284  abstract

Technogenic Radioactivity of Waters in the Central Arctic Basin and Adjacent Water Areas

Academician G. G. Matishov, N. E. Kasatkina and I. S. Usyagina p. 288  abstract

Oceanology

Seasonal and Interannual Variability of Phytoplankton in the Black Sea on the Basis of Remote Sensing Data and In Situ Measurements of Chlorophyll-a

S. V. Vostokov, Corresponding Member of the RAS L. I. Lobkovskiy, A. S. Vostokova and D. M. Solov’ev p. 293  abstract

Geochemistry

Co, Hf, Ce, Cr, Th, and REE Charateristics of Modern Bottom Sediments of the Barents Sea

Corresponding Member of the RAS A. V. Maslov, N. V. Politova, V. P. Shevchenko, N. V. Kozina, A. N. Novigatsky and M. D. Kravchishina p. 298  abstract

Interaction of Actinide Matrices with Brine

Corresponding Member of the RAS S. V. Yudintsev, V. I. Malkovsky, M. S. Nikolsky and B. S. Nikonov p. 303  abstract

Geophysics

Application of Natural Electromagnetic Fields in the Search for Deep Polarized Objects

K. M. Ermokhin, Yu. A. Kopytenko, M. S. Petrishchev, Corresponding Member of the RAS A. L. Sobisevich and P. A. Sergushin p. 308  abstract

Geography

Lithology, Biostratigraphy, and Geochronology of the Late Pleistocene–Holocene Sediments on the Coast of Onega Bay of the White Sea

V. V. Kolka, O. P. Korsakova, N. B. Lavrova, T. S. Shelekhova and N. E. Zaretskaya p. 312  abstract

Geochemistry

Rare-Metal Granites from Various Zones of the Early Mesozoic Magmatic Areal (Mongolia): Geochemical and Petrogenetic Features

V. S. Antipin, A. B. Perepelov and D. Odgerel p. 317  abstract

First Data on Yatulian (2.1 Ga) Metamorphism in the Belomorian Mobile Belt

V. M. Kozlovskiy, V. M. Savatenkov, L. B. Terentyeva and E. B. Kurdyukov p. 322  abstract

Formation Parameters of High-Pressure Minerals in the Dhofar 717 and 864 Chondrite Meteorites

K. D. Litasov, D. D. Badyukov and Academician N. P. Pokhilenko p. 327  abstract

Effect of Natural Organic Acids on Mobilization of Macro- and Microelements from Rocks

A. V. Savenko and V. S. Savenko p. 331  abstract

The 238U/235U Ratio as an Indicator of Redox Conditions in the Ediacaran Paleobasin (Sequence of the Chaya River, Baikal–Patom Highland, Southern Part of Central Siberia)

A. V. Chugaev, Academician I. V. Chernyshev, B. G. Pokrovsky, G. V. Mandzhieva, B. I. Gareev, A. S. Sadasyuk and G. A. Batalin p. 336  abstract

Geophysics

Geomagnetic Field Disturbances from the Fall of the Lipetsk (June 21, 2018) and Chelyabinsk (February 15, 2013) Meteorites

A. A. Spivak and S. A. Riabova p. 341  abstract